#2549A4#2549A4

#2549A4 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.5% C 0.153 H 264.5°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#2549A4
RGB	rgb(37, 73, 164)
HSL	hsl(223, 63%, 39%)
HSV	hsv(223, 77%, 64%)
CMYK	cmyk(77.4%, 55.5%, 0%, 35.7%)
CIE-LAB	lab(33.64, 20.83, -52.85)
CIE-LCH	lch(33.64, 56.80, 291.52°)
OKLab	oklab(43.54% -0.0146 -0.1524)
OKLCH	oklch(43.54% 0.153 264.5)
XYZ	xyz(9.8440, 7.8376, 36.1088)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2549A4 #A48025

analogous

#2589A4 #2549A4 #4125A4

triadic

#2549A4 #A42549 #49A425

tetradic

#2549A4 #A42589 #A48025 #25A441

square

#2549A4 #A42589 #A48025 #25A441

split-complementary

#2549A4 #A44125 #89A425

monochromatic

#0E1D40 #1A3372 #2549A4 #3561D1 #6788DD

Accessibility & contrast

On white

8.18

#2549A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2549A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2549A4

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2549A4	#FFFFFF	#000000	##FFFFFF
##2549A4	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A7

Deuteranopia (green-blind)

#004AA2

Tritanopia (blue-blind)

#005F6F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2549a4;
/* rgb */ color: rgb(37, 73, 164);
/* oklch */ color: oklch(43.5% 0.153 264.5);

Tailwind

colors: {
  custom: {
    50: '#737bc0',
    500: '#2549a4',
    950: '#000000',
  },
}

SCSS

$custom: #2549a4;
$custom-light: #737bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2549a4",
  "rgb": {
    "r": 37,
    "g": 73,
    "b": 164
  },
  "hsl": {
    "h": 222.992,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43544,
    "c": 0.15307,
    "h": 264.5
  },
  "luminance": 0.07839
}

Semantic roles & 50–950 ramp

primary

#2549A4

secondary

#C2A762

accent

#B842E6

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2549A4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →